/**
 * Designed and developed by Aidan Follestad (@afollestad)
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.afollestad.assent.rationale

import com.afollestad.assent.internal.warn

/** @author Aidan Follestad (@afollestad) */
class ConfirmCallback(
  private var action: ((isConfirmed: Boolean) -> Unit)?
) {
  operator fun invoke(isConfirmed: Boolean) {
    if (action == null) {
      warn("Confirm callback invoked more than once, ignored after first invocation.")
    }
    action?.invoke(isConfirmed)
    action = null
  }
}
